Abstract: An information processing apparatus (2000) detects a battery cell in which an abnormality (for example, leakage) occurs among a plurality of battery cells connected in series. A first differential voltage acquisition unit (2020) acquires a first differential voltage for each of the plurality of battery cells. The first differential voltage of the battery cell is a difference between a voltage of the battery cell after charging is completed and a voltage of the battery cell at a time when an operation is performed for a predetermined time after charging is completed. A determination unit (2040) determining that an abnormality occurs in a first battery cell, in a case where a difference between the first differential voltage of the first battery cell and the first differential voltage of a battery cell having a next largest first differential voltage of the first battery cell, is greater than or equal to a first predetermined value.

Abstract: A method, an apparatus and a device for charging a battery are provided. The method may include: defining a charging current In for an Nth charging stage of a charging process based on charging capability of the battery, wherein In<In-1; defining a charge cutoff voltage Vn for the Nth charging stage of the charging process, wherein Vn>Vn-1 and Vn is smaller than a theoretical charge cutoff voltage Vmax; in case that the N-1th charging stage is not a last charging stage, charging the battery with In-1 during the N-1th charging stage and proceeding to the Nth charging stage when a voltage across the battery reaches Vn-1; and in case that the N-1 th charging stage is the last charging stage, charging the battery with In-1 during the N-1th charging stage and stopping charging when the voltage across the battery reaches Vn-1.

Abstract: A regulator control circuit which is configured to control a switching regulator: a feedback comparator configured to compare a signal representative of a reference voltage with a signal representative of a voltage output of the switching regulator and to output a control signal for controlling the operation of the switching regulator dependent on the signals received by the feedback comparator; and a current feedback controller connected to the feedback comparator and configured to receive a signal representative of a current output by the switching regulator and determine whether the regulator control circuit adopts a first or second mode of operation based on the signal representative of a current output, such that, in the first mode of operation, the control signal is for controlling the switching regulator in accordance with a constant voltage control scheme and, in the second mode of operation, the control signal is for controlling the switching regulator in accordance with a constant current control sc

Abstract: An electric power system of a vehicle includes: a high-voltage circuit, which includes a high-voltage battery connected to a main circuit; a system ECU, which controls the main circuit; a first system control power line, which connects a low-voltage battery to the system ECU; a second system control power line, which connects the high-voltage circuit to the first system control power line; a voltage-reducing device, which reduces a voltage of the electric power from the high-voltage circuit; a second switch, which is arranged on the second system control power line; and a backup power supply ECU, which turns the second switch off when a pre-charge of smoothing condensers arranged on the main circuit is performed by supplying the electric power of the high-voltage battery.

Abstract: Apparatuses, systems, and methods are presented for battery charging. A charging connector may connect to power terminals of a battery. A data connector may connect to a battery. A charger controller may read battery data from a battery via a data connector and charge the battery by supplying a power level to the battery via a charging connector. A power level may be based on battery data.

Abstract: A control is performed to set a current value exceeding a nominal capacity of the secondary battery to first charging current to charge the secondary battery, compare the measured voltage of the secondary battery with first threshold voltage that is lower than a prescribed charging voltage while performing constant current charging with the set first charging current, decrease the first charging current to be second charging current when the measured voltage is higher than the first threshold voltage, and increase the first threshold voltage by a predetermined amount to be second threshold voltage, compare the measured voltage of the secondary battery with the second threshold voltage that is lower than the prescribed charging voltage while performing constant current charging with the set second charging current, decrease the second charging current to be third charging current when the measured voltage is higher than the second threshold voltage, and increase the second threshold voltage by a predetermined

Abstract: A battery system monitoring apparatus for monitoring a cell group having a plurality of battery cells, and includes a cell controller IC which monitors and controls the states of the plurality of battery cells. A battery controller controls the cell controller IC and a plurality of voltage detection lines measure the voltage across the terminals of the battery cell. The voltage detection lines connect positive and negative electrodes of the battery cell, respectively, to a plurality of voltage input terminals of the cell controller IC. A power line connects the positive electrode of the battery cell having the highest potential among the plurality of battery cells to a power supply terminal of the cell controller IC and a ground line which connects the negative electrode of the battery cell having the lowest potential among the plurality of battery cells to a ground terminal of the cell controller IC.

Abstract: A battery charger may accommodate simultaneous charging of one or more batteries. The battery charger may also accommodate high power charging of a single battery. Li-type and/or Ni-type Batteries equipped with RFID technology may communicate with the battery charger equipped with similar technology to provide default charge settings in response to battery chemistry type, cell count, recommended charge rates, number of charges on the battery, among other information. The charge parameters may be user-adjustable in an ‘advanced mode’ of the battery charger. Several safety features may be included.

Abstract: A storage battery system relating to the present invention includes first and second PCSes. The first PCS performs charge and discharge to/from a first storage battery. The second PCS performs the charge and the discharge to/from a second storage battery. The second storage battery has a shorter service life than the first storage battery. A controllers controls the first and second PCSes on the basis of a charge/discharge request and storage battery information. The controller includes an SOC correction unit and a charge/discharge command unit. The SOC correction unit calculates SOCs of the first and second storage batteries, corrects the SOC of the second storage battery upwards in the case that the charge/discharge request is a charge request, and corrects the SOC of the second storage battery downwards in the case of a discharge request.

Abstract: A storage battery system relating to the present invention includes first and second PCSes. The first PCS performs charge and discharge to/from a first storage battery. The second PCS performs the charge and the discharge to/from a second storage battery. The second storage battery has a shorter service life than the first storage battery. A controllers controls the first and second PCSes on the basis of a charge/discharge request and storage battery information. The controller includes an SOC correction unit and a charge/discharge command unit. The SOC correction unit calculates SOCs of the first and second storage batteries, corrects the SOC of the second storage battery upwards in the case that the charge/discharge request is a charge request, and corrects the SOC of the second storage battery downwards in the case of a discharge request.

Abstract: A battery charger with an internal power storage device may be used to facilitate fast charging of a battery by using a high C-rate. A battery charger with an internal power storage device may include a control circuit that receives operating mode instructions to operate in a base charging mode or a fast charging mode. In the base charging mode, the battery charger may be configured to concurrently charge a battery and an internal power storage device at a base C-rate using current supplied from an external power source. In the fast charging mode, the battery charger may be configured to charge the battery at a high C-rate, which is substantially higher than the base C-rate, by using the internal power storage device. The battery charger may include an optical reader used to identify battery-specific characteristics and enable the fast charging mode.

Abstract: A fast charging method, apparatus, and device for a USB electronic device including obtaining, according to a preset charging current threshold, a corresponding charging data set of the electronic device under the present charging current threshold, determining, according to the charging data set, a maximum charging current value corresponding to the electronic device; setting the determined maximum charging current value as a charging current threshold of the electronic device, and controlling charging of the electronic device according to the charging current threshold.

Abstract: A battery charger with an internal power storage device may be used to facilitate fast charging of a battery by using a high C-rate. A battery charger with an internal power storage device may include a control circuit that receives operating mode instructions to operate in a base charging mode or a fast charging mode. In the base charging mode, the battery charger may be configured to concurrently charge a battery and an internal power storage device at a base C-rate using current supplied from an external power source. In the fast charging mode, the battery charger may be configured to charge the battery at a high C-rate, which is substantially higher than the base C-rate, by using the internal power storage device.

Abstract: A spacecraft, configured to be operated in a geosynchronous orbit includes a power subsystem, including a battery, and a battery charge controller. The spacecraft is configured to have a power demand, during an eclipse season of the geosynchronous orbit, of ‘P’ kilowatts and the battery is sized to have a nominal capacity, measured in kilowatt-hours, smaller than 1.2*P/0.85. In some implementations, the battery has a rated charge voltage corresponding to the nominal capacity and the battery charge controller is configured to execute a battery charge management strategy that charges the battery to an above-rated charge voltage during selected portions of the eclipse season.

Abstract: The present embodiments relate to a battery that comprises one or more battery cells and a logic unit embedded within the battery to receive data from a plurality of sensors that are also embedded within the battery. A wireless transceiver embedded within the battery communicates with the logic unit. A voltage controller embedded within the battery receives instructions from the logic unit and a voltage regulator and a current limiter that are also embedded within the battery controls an output of the battery based on one or more signals from the voltage controller.

Abstract: A method for charging a lithium ion battery includes the steps of: 1) determining a maximum charging current I0 and a lowest anode potential ? of the lithium ion battery at which no lithium precipitation occurs; 2) charging the lithium ion battery at a constant current of I1 which is greater than I0 for a charging time t1; 3) discharging the lithium ion battery at a constant current of I2 which is less than I0 for a discharging time t2, 5?t1/t2?50; 4) repeating steps 2) and 3) until a cutoff voltage of the lithium ion battery reaches V0 and standing the lithium ion battery for a standing time t3; and 5) charging the lithium ion battery at a constant current of I0 until the cutoff voltage of the lithium ion battery reaches V0 and charging the lithium ion battery to a cutoff current of I3 at a constant voltage.

Abstract: An air conditioner control system comprises air conditioners configured to condition an environment in a target space, an integrated controller configured to control the air conditioners based on control parameter data, sensor devices configured to measure the temperature of the target space and transmit measurement data, and wireless master devices configured to create control parameter data based on the measurement data. The wireless master devices each determine sleep times so that at least two sensor devices run out of battery charge around the same time according to the remaining charge amount of each of the sensor devices. The sensor devices each will be in the sleep mode in which power consumption is lower than in the normal mode according to the sleep time decided by the wireless master devices.

Abstract: An electrical system connectable to an offboard power supply includes a battery pack, parallel DC-coupled conductive and inductive charging systems, and a controller. The controller initiates charging of the battery pack using analog low-voltage signals. A charging preference may prioritize charging via a designated one of the charging systems. Another electrical system includes a battery pack connected to a DC voltage bus, a charge coupler connectable to the offboard power supply to establish a plug-in charging connection, parallel DC-coupled conductive and inductive charging systems, and a controller. The controller commands charging using the analog low-voltage control signals, doing so via the conductive charging system when the charge coupler is plugged into the power supply and via the wireless charger when the charge coupler is not plugged into the power supply and the controller detects proximity of the system to the primary induction coil.

Abstract: An ultrasound diagnostic equipment has at least one rechargeable ultrasound probe with a built-in battery, and a diagnostic equipment body connected to the at least one ultrasound probe in a wireless manner, wherein the diagnostic equipment body includes a power supply unit which supplies power to the battery of the at least one ultrasound probe, and a power supply controller which causes the battery of the at least one ultrasound probe to selectively perform refresh charging and top-up charging using the power supply unit on the basis of power supply information to the battery of the at least one ultrasound probe and the examination situation in the diagnostic equipment body.

Abstract: A control system and control method for a phase shifted full bridge charger, wherein, the control system comprising a sampling system and a charger controller, the charger controller comprises a start and running determination unit, a soft start control unit, a running control unit and a smooth switchover control unit; the running control unit comprises a mode determination unit, a constant-voltage control unit, a total-current-limiting control unit and a charging-current-limiting control unit.

Abstract: A charge control apparatus includes a battery having a first maximum value, a minimum value, and a second maximum value of an output density, in an output characteristic indicating a relationship between a remaining capacity and the output density of the battery, the minimum value being on a lower remaining capacity side than the first maximum value and the second maximum value being on a lower remaining capacity side than the minimum value; and a charge control unit configured to stop charging the battery when a voltage of the battery reaches a charge termination voltage set in a predetermined setting range. The predetermined setting range is from a voltage corresponding to a remaining capacity associated with the first maximum value to a full charge voltage.

Abstract: A vehicle includes a traction battery and a controller programmed to operate the traction battery according to an estimated value of a battery state of health parameter. The estimated value is updated based on drive cycle parameters of the vehicle over a time interval. The state of health parameters include a battery capacity and a resistance of the traction battery.

Abstract: A power conversion circuit includes a high-side MOSFET and a low-side MOSFET. A conduction terminal of the high-side MOSFET is coupled to a conduction terminal of the low-side MOSFET at a half-bridge (HB) circuit node. The high-side MOSFET is switched off. Voltage potential transitions of the HB circuit node are counted while the high-side MOSFET and low-side MOSFET are off. Assertion of a control signal to the low-side MOSFET is postponed for two voltage potential transitions of the HB circuit node after the high-side MOSFET is switched off. The low-side MOSFET is switched off by de-asserting the control signal to the low-side MOSFET. Switching on the high-side MOSFET is postponed for two voltage potential transitions of the HB circuit node after switching off the low-side MOSFET.

Abstract: A battery management circuit maintains voltage balance during charging and discharging of a multi-cell, series connected battery stack. The circuit prevents any cell voltage from dropping below a voltage at which degradation of the battery can start. Each of the battery connections are connected with a first polarity across one secondary winding of a transformer through a first diode and connected with a polarity opposite to the first polarity across another secondary winding of the transformer through a second diodes, where, for the cell connections corresponding to each battery except the last in the series, the secondary winding connected through the corresponding first diode is the same as the secondary winding connected through the second diode to the cell connections corresponding to the subsequent battery in the series. The circuit also provides high efficiency voltage balancing during charging of the battery stack.

Abstract: A charging circuit and a charging method of a battery are disclosed. The charging circuit provides a charging current to charge the battery. The charging circuit includes a charging control module, a current detecting module and a compensation module. The charging control module provides a charging voltage. The current detecting module detects the charging current, and generates a detecting voltage according to the charging current. The compensation module detects the charging voltage, and provides a feedback voltage to the charging control module according to the detecting voltage and the charging voltage.

Abstract: A wireless modular power transfer system includes electric power modules and RF converter circuitry within the electric power modules that meets voltage and power characteristics of the electric power modules. Sensor data is processed to determine a wireless power transfer path. An electric power module is established as a power source by aligning RF converter circuitry as a transmitter, and an electromagnetic field is established as a wireless power transfer area. An electric power module is established as an electric load by aligning RF converter circuitry as a receiver. Power transfer between the electric power modules is controlled through the wireless power transfer area.

Abstract: A battery control device capable of carrying out current limitation in consideration of constraints on other components than a battery main body is provided. A battery control device according to the invention has an average current table describing an average current allowed for each of plural time window widths, and limits a battery current in accordance with the description.

Abstract: A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus.

Abstract: A plug-in hybrid vehicle includes a hybrid powertrain system and an energy storage device. A method for operating the hybrid powertrain system includes initially operating the hybrid powertrain system in a charge-depletion mode to reduce a state-of-charge (SOC) of an energy storage device. In response to an operator request, the hybrid powertrain system operates in an opportunity charging mode to opportunistically charge the energy storage device to increase the SOC of the energy storage device during a trip prior to achieving a minimum SOC that is associated with triggering operation in a charge sustaining mode.

Abstract: An efficient way of predicting the power requirements of electric vehicles is proposed based on a history of vehicle power consumption, speed and acceleration as well as road information. By using this information and the operator's driving pattern, a model extracts the vehicles history of speed and acceleration, which in turn enables the prediction of the vehicle's future power requirements. That is, the power requirement prediction is achieved by combining a real-time power requirement model and the estimation of vehicle's acceleration and speed.

Abstract: A power supply detection circuit detects power feeding to a VBUS terminal from the outside. A charger detection circuit detects the kind of charger by monitoring voltages of a DP terminal and a DM terminal. A control unit adjusts timing and instructs the charger detection circuit to start a charger kind detection process after a notification of detection of power feeding is received from the power supply detection circuit.

Abstract: Charging systems and related methods are disclosed for switching voltage regulators. A charging controller may be configured to generate a control signal indicating a first level of an output current generated by a switching voltage regulator for charging an energy storage device, determine that an output voltage exceeded a predetermined threshold, and generate the control signal indicating a new level of the output current that is reduced from the first level. A method of controlling charging of an energy storage device may comprise monitoring an output voltage charging an energy storage device, comparing a reference signal and a current sense signal to generate a PWM control signal that determines an output current for a switching voltage regulator generating the output voltage, and decrementing the reference signal in response to the output voltage exceeding a predetermined level for a maximum charging voltage for the energy storage device.

Abstract: Various embodiments of the invention provide methods, systems, and computer-program products for charging a battery of a first mobile device from a battery of a second mobile device. In particular embodiments, a request is received identifying an amount of charge to provide from the battery of the second device to the battery of the first device. Accordingly, a determination is made as to whether the amount of charge requested is likely to result in a battery charge of the second device dropping below a threshold value before the battery of the device is recharged based on historical battery charge usage data of the device over a past period of time. If the amount of charge is not likely to result in the battery charge dropping below the threshold value, then the battery of the first device is charged with the amount of charge from the battery of the second device.

Abstract: A method for charging at least one lithium ion cell the method includes: (a) applying, to the lithium ion cell, a constant first stage charging current until a first stage charging voltage is about equal to a first stage complete voltage less than a maximum cell voltage, the constant first stage charging current greater than about 1C; and thereafter (b) applying multiple constant second stage charging currents to the lithium ion cell at different current levels, wherein the constant second stage charging currents are applied based on accessing a lookup table that relates at least current, temperature and open source voltage to each other; and thereafter (c) applying, to the lithium ion cell, a constant third stage charging voltage about equal to a complete voltage from the multiple constant second stage charging currents.

Abstract: Systems and methods are disclosed for dynamically allocating power for a system having non-volatile memory. A power budgeting manager of a system can determine if the total amount of power available for the system is below a pre-determined power level (e.g., a low power state). While the system is operating in the low power state, the power budgeting manager can dynamically allocate power among various components of the system (e.g., a processor and non-volatile memory).

Abstract: A charger and a charger controlling method for a battery rod having a small battery capacity are provided, which are used to charge a battery rod comprising a charging management circuit, and the battery capacity C of the battery rod is less than 100 mAh. The method comprises: defining a preset constant charging current I based on the battery capacity C of the battery rod in order to charge the battery rod with a current of KC, wherein, the value of K is less than 1, and the value of I and the value of C conform to the following relationship: I=K*C; detecting a real-time charging current Itemp of the battery rod in real time; comparing Itemp with I, and adjusting the output charging voltage according to the comparison result to charge the battery rod with a current of KC.

Abstract: A control system is designed or configured to control the state of charge of a battery or battery pack in a system containing a separate power source, which is separate from the battery or battery pack. In operation, the battery or battery pack is called upon to intermittently provide power for certain functions. The separate power source may be, for example, an AC electrical power source for a UPS or an engine of a vehicle such as a micro hybrid vehicle. The battery may be a nickel zinc aqueous battery. The control system may be designed or configured to implement one or more of the following functions: monitoring the state of charge of the battery or battery pack; directing rapid recharge of the battery or battery pack from the separate power source when the battery or battery pack is not performing its functions; and directing charge to fully charged level or a float charge level, which is different from the fully charged level, in response to operating conditions.

Abstract: A computer system and a power management method thereof are disclosed. The computer system comprises a smart charger and an embedded controller (EC). The smart charger has a voltage turbo boost (VTB) function. The EC enables or disables the VTB function to protect a battery from damage according to a current remaining capacity and a battery decline ratio of the battery.

Abstract: The present application provides a charging system having a charger and a battery. The charging system provides a quick-charging mode and a normal-charging mode. The quick-charging mode may be activated to charge the battery if certain conditions are met and the charging system may also have an indicating device for indicating when the quick-charging mode is finished. More specifically, the charger of the present application provides selective charging modes and provides an ultra-quick charging solution which may be controlled by the changes in the temperature of the battery and which can increase the charging power to quickly provide enough energy to finish a work task.

Abstract: Disclosed is an apparatus (and method) for charging a battery having a voltage measuring unit for measuring a voltage, a control unit for outputting a charge control signal corresponding to an early charging mode in which the battery is charged until a voltage of the battery rises to a preset cut-off voltage (Vc) and a charge control signal corresponding to a late charging mode in which the battery is charged while lowering a charge power in phases, and a charging unit for providing a charge power corresponding to the charge control signal to the battery, wherein a point of lowering the charge power in phases is associated with a point at which the voltage of the battery reaches the cut-off voltage again by the lowered charge power. Therefore, a voltage level reached at full charge of a battery may be raised in a simple and efficient way.

Abstract: Adjacent battery cells connected in devices are balanced by closing a first circuit to charge an energy storage device from a first battery cell and thereafter simultaneously opening the first isolated switch and closing a second isolated switch to cause the energy storage device to charge a second battery cell. A circuit includes an isolated switch that operates simultaneously to balance battery cells connected in series, and a battery system balances battery modules connected in series, the battery module including battery cells connected in series. The battery cells and modules can be balanced by hierarchical balancing of modules of the battery pack and component cells of the modules.

Abstract: A vehicle operating system and a method of controlling the vehicle operating system, the vehicle operating system including an electric power generation module that is configured to generate electric power; a battery, the battery being chargeable by using the electric power generated by the electric power generation module; a battery management system that controls the chargeable battery; and a cooler that is configured to cool the battery, wherein the battery management system is configured to cut off the electric power supplied to the battery when the battery is fully charged, and when the battery management system cuts off the electric power supplied to the battery, the cooler is configured to consume the electric power generated by the electric power generation module.

Abstract: An ECU executes a program including the steps of: prohibiting startup of an engine when there is a request for execution of a deterioration diagnosis process and when the deterioration diagnosis process is in execution; and releasing prohibition of startup of the engine when the deterioration diagnosis process is completed.

Abstract: A vehicular power supply apparatus includes a Scott transformer, a first output port and a second output port. The Scott transformer is configured to convert three-phase AC power supplied from a three-phase AC power source into first and second single-phase AC powers. The first output port is for supplying the first single-phase AC power to a vehicle. The second output port is for supplying the second single-phase AC power to a vehicle.

Abstract: While a control method is established which can maximize the lifetime of an storage battery based on a SOC capable of maximizing the lifetime of the storage battery under a temperature condition and a wind condition at an electricity generation site and on currently known ones of other operational conditions, a control system is constructed which can feedback to an actual wind power generation and storage battery system.

Abstract: A USB power adapter for AC and DC power has a circuit board, a base and a top cover. The base and the top cover receive the circuit board therein. The circuit board has an AC conversion module, a DC conversion module, and a USB connection port. The base has a cigarette lighter electrically connected to the DC conversion module. The top cover has a pair of blades electrically connected to the AC conversion module. The AC power inputted through the pair of blades is converted by the AC conversion and the DC conversion module into the power outputted through the USB connection port. Accordingly, it is unnecessary to prepare a dedicated AC or DC charger depending upon the type of power source or to prepare a charger requiring many replaceable plugs. The inconvenience caused by carrying and operating those chargers or plugs can be resolved.

Abstract: A comparator circuit includes: a switching element that is disposed between a positive electrode of a battery cell and a fixed potential supply source, that has a control terminal connected to a negative electrode of the battery cell, and that operates in response to a voltage applied from the battery cell to the control terminal; a voltage regulating unit that is disposed between the battery cell and the switching element and that regulates the voltage applied from the battery cell to the switching element; and an output signal line that outputs a potential between the switching element and the fixed potential supply source.

Abstract: A method of charging batteries and a battery charging system are disclosed. One inventive aspect includes a battery pack and a charging unit. The battery pack further comprises a battery cell, a voltage sensor and a current sensor. The charging unit is configured to charge the battery cell with a constant current or a constant voltage at least partially based on the voltage of the battery cell sensed by the voltage sensor.

Abstract: A method and apparatus for controlling charge of a low-voltage battery are provided. The method includes assigning, by a controller, a preset voltage for the low-voltage battery based on an operating mode of a vehicle and a charge state of a high-voltage battery. In addition, the controller compares the preset voltage with a present charge voltage of the low-voltage battery and increases the present charge voltage with a first slope until the present charge voltage becomes equal to the preset voltage when the preset voltage is greater than the present charge voltage. The operating mode comprises drive modes that include a first drive mode and a second drive mode, a fuel cell stop mode, and an emergency mode. The first drive mode is divided into a plurality of stages based on the charge state of the high-voltage battery.

Abstract: An information processing apparatus capable of suppressing a secondary battery from being charged with an amount of charge current that can apply excessive load on the secondary battery, without a backup power source function of the secondary battery being impaired. When determining that a predetermined type of data is stored in a DRAM to be backed up by the secondary battery, the information processing apparatus selects a first constant current circuit and quickly charges the secondary battery with a large charge current output from the first constant current circuit. When determining that the predetermined type of data is not stored in the DRAM, the information processing apparatus selects a second constant current circuit and normally charges the secondary battery with a small charge current output from the second constant current circuit.